The Canon 28-300mm f/3.5-5.6 L IS USM EF Lens is a high-quality telephoto zoom lens designed for Canon cameras. With a maximum aperture of f/3.5, this lens offers a versatile focal length range of 28-300mm, ideal for a wide range of photography styles. It features both auto and manual focus options, allowing for precise control over focus. The lens is compatible with Canon IS mount systems and has a 77mm filter size for added versatility. This lens is a valuable addition to any photographer's collection, providing exceptional image quality and performance.